Alloy 825 Heat Exchanger Process Tube from China
Seamless Incoloy Alloy 825 (N08825) tube for sour gas heat exchangers in upstream oil/gas. Ni-Fe-Cr-Mo-Cu for H2S service. 7304.49.0045 heat exchanger classification.
Duty Rate — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• NACE MR0175/ISO 15156 sour service certification mandatory
• Process fluid composition declaration supports material selection